FUJITSU F2MC-8L F202RA User Manual
Page 236
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220
CHAPTER 9 12-BIT PPG TIMER
Figure 9.5-2 illustrates the operation of the 12-bit PPG timer.
Figure 9.5-2 Operation of 12-bit PPG Timer
(RCR2
3
, 24:
S
CL0 to
S
CL11)
(RCR21, 22:H
S
C0 to H
S
C11)
"000
H
"
Co
u
nt
b
y co
u
nter
Cycle period
s
etting
"H" width
s
etting
Cycle period
(*1)
"H" width
(*2)
PPG o
u
tp
u
t p
u
l
s
e w
a
veform
*1:
If intern
a
l co
u
nt clock cycle period i
s
2, 4, 16, or 256 t
IN
S
T
, cycle period = comp
a
re v
a
l
u
e for cycle
period m
u
ltiplied
b
y the co
u
nt clock cycle period.
*2:
If intern
a
l co
u
nt clock cycle period i
s
2, 4, 16, or 256 t
IN
S
T
, "H" width = comp
a
re v
a
l
u
e for the "H"
width m
u
ltiplied
b
y the co
u
nt clock cycle period.
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